title   
  

Gelling agents and culture vessels affect in vitro multiplication of banana plantlets

Kaçar, Y. A. and Biçen, B. and Varol, İ. and Mendi, Y. Y. and Serçe, S. and Çetiner, Selim (2010) Gelling agents and culture vessels affect in vitro multiplication of banana plantlets. Genetics and Molecular Research, 9 (1). pp. 416-424. ISSN 1676-5680

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Official URL: http://dx.doi.org/10.4238/vol9-1gmr744

Abstract

Agar is the most commonly used gelling agent in media for plant tissue culture. Because of the high price of tissue-culture-grade agar, attempts have been made to identify suitable alternatives. The type of culture vessel and lid also affects the gaseous composition inside the vessel as well as light penetration. In turn, the vessel affects growth parameters, such as shoot elongation, proliferation and fresh weight, as well as hyper-hydric degradation processes. We examined the effects of different culture vessels, including commercial glass jars, magenta boxes, and disposable containers, as well as different gelling agents (agar-agar, Agargel, Phytagel, and plant agar) on the micropropagation of Dwarf Cavendish bananas in an effort to find a combination that yields large numbers of high-quality seedlings. The different culture vessels did not significantly affect seedling culture success. The medium significantly affected shoot weight. Phytagel resulted in the highest shoot weight (overall mean = 2.4 g), while agar, Agargel and plant agar resulted in 1.7, 2.2 and 2.2 g, respectively. Disposable container/Phytagel and Magenta/Agargel combinations yielded the highest shoot weights (2.9 and 3.0 g, respectively). Mean shoot length increased progressively with subculture (four subcultures were made). The highest mean shoot length was obtained with Phytagel and Agargel media (6.4 and 6.3 cm, respectively). Shoot number was significantly affected by medium only at subculture 4. Overall, the highest mean shoot length was obtained with the Magenta/Agargel combination (8.5 cm). Phytagel and plant agar gave higher mean shoot number than agar and Agargel (2.1, 2.1 and 1.7 and 1.9, respectively). The costs of the media and of the culture vessels need to be taken into account for final choice of the banana shoot culture system.

Item Type:Article
Uncontrolled Keywords:Dwarf Cavendish; Magenta vessel; Agar-agar; Agargel; Phytagel; Plant agar
Subjects:Q Science > QH Natural history > QH506 Molecular biology
Q Science > QH Natural history > QH426 Genetics
ID Code:13972
Deposited By:Selim Çetiner
Deposited On:25 May 2010 11:57
Last Modified:25 May 2010 11:57

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